package com.ytjj.common.utils;

import com.ytjj.common.utils.qqzengip.IpSearch;

import javax.servlet.http.HttpServletRequest;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;

/**
 * 
 * @version 1.0
 *
 */
public class IPUtil {

    /**
     * 获取用户真实IP地址，不使用request.getRemoteAddr();的原因是有可能用户使用了代理软件方式避免真实IP地址,
     * 可是，如果通过了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP值，究竟哪个才是真正的用户端的真实IP呢？
     * 答案是取X-Forwarded-For中第一个非unknown的有效IP字符串。
     * 如：X-Forwarded-For：192.168.1.110, 192.168.1.120, 192.168.1.130,
     * 192.168.1.100
     * 用户真实IP为： 192.168.1.110
     * @param request
     * @return
     */
    public static String getIpAddress(HttpServletRequest request) {
        String ip = request.getHeader("X-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_CLIENT_IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
            if("127.0.0.1".equals(ip)||"0:0:0:0:0:0:0:1".equals(ip)){
                //根据网卡取本机配置的IP
                InetAddress inet=null;
                try {
                    inet = InetAddress.getLocalHost();
                } catch (UnknownHostException e) {
                    e.printStackTrace();
                }
                ip= inet.getHostAddress();
            }
        }
        if(ip.contains(",")){
            ip = ip.substring(0,ip.indexOf(","));
        }
        return ip;
    }

    public static String getAddressByIp(String ip) {
        try {
            IpSearch finder = IpSearch.getInstance("/mnt/ipsourcefile/qqzeng-ip-utf8.dat");
            String addressResult = finder.Get(ip);
            Map<String, String> hashMap = IpSearch.analysisResult(addressResult);

            String province = hashMap.get("province").toString();
            String city = hashMap.get("city").toString();
            String area = hashMap.get("area").toString();
            return province+city+area;
        } catch (Exception e) {
            return "";
        }
    }

    public static String getGaodeAddressByIdVersionOne(String key, String ip) {
        Map<String, String> paramMap = new HashMap<String, String>();
        paramMap.put("key", key);
        paramMap.put("ip", ip);
        String result = HttpClientUtil.doGet("https://restapi.amap.com/v3/ip", paramMap);//定位1.0
        return result;
    }
}
